--- /dev/null
+/* Demo Recorder for MAEMO 5
+* Copyright (C) 2010 Dru Moore <usr@dru-id.co.uk>
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License version 2,
+* or (at your option) any later version, as published by the Free
+* Software Foundation
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU General Public License for more details
+*
+* You should have received a copy of the GNU General Public
+* License along with this program; if not, write to the
+* Free Software Foundation, Inc.,
+* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+*/
+namespace IdWorks {
+
+public class TrackBin: Gst.Bin {
+
+ Gst.Element decoder;
+ Gst.Element converter;
+ Gst.Element dynamics;
+ Gst.Element equalizer;
+ Gst.Element echo;
+ Gst.Element volume;
+ Gst.Element panorama;
+ Gst.GhostPad sink_pad;
+ Gst.GhostPad src_pad;
+
+ public TrackBin(string name) {
+ this.set_name(name);
+
+ decoder = Gst.ElementFactory.make("uridecodebin", "decoder-" + name);
+ decoder.connect("swapped-object-signal::autoplug-continue", autoplug_continue, this);
+ decoder.connect("swapped-object-signal::drained", drained, this);
+ this.add(decoder);
+
+ converter = Gst.ElementFactory.make("audioconvert", "converter-" + name);
+ this.add(converter);
+
+ dynamics = Gst.ElementFactory.make("audiodynamic", "dynamics");
+ dynamics.set_property("mode", "compressor"); // compression
+ dynamics.set_property("characteristics", "soft-knee"); // compression
+ dynamics.set_property("threshold", 1); // shouldn't kick in
+ dynamics.set_property("ratio", 100); // shouldn't be applied
+ this.add(dynamics);
+
+ equalizer = Gst.ElementFactory.make("equalizer-10bands", "equalizer-" + name);
+ this.add(equalizer);
+
+ echo = Gst.ElementFactory.make("audioecho", "echo");
+ echo.set_property("delay", 0);
+ echo.set_property("feedback", 0);
+ echo.set_property("intensity", 0);
+ echo.set_property("max-delay", 1 * Time.Nanoseconds.SECOND);
+ this.add(echo);
+
+ volume = Gst.ElementFactory.make("volume", "volume-" + name);
+ volume.set_property("volume", 1);
+ this.add(volume);
+
+ panorama = Gst.ElementFactory.make("audiopanorama", "panorama-" + name);
+ panorama.set_property("panorama", 0);
+ this.add(panorama);
+
+ converter.link(dynamics);
+ dynamics.link(equalizer);
+ equalizer.link(echo);
+ echo.link(panorama);
+ panorama.link(volume);
+
+ sink_pad = new Gst.GhostPad("sink", decoder.get_static_pad("sink"));
+ this.add_pad(sink_pad);
+ src_pad = new Gst.GhostPad("src", volume.get_static_pad("src"));
+ this.add_pad(src_pad);
+
+ }
+ /*
+ public void volume_updated_callback(TrackTransport sender, double volume) {
+ this.set_volume(volume);
+ }
+
+ public void panorama_updated_callback(TrackTransport sender, double panorama) {
+ this.set_panorama(panorama);
+ }
+
+ public void eq_updated_callback(TrackTransport sender, int band, double val) {
+ this.set_eq(band, val);
+ }
+ */
+ private bool autoplug_continue(Gst.Pad decodebin, Gst.Caps arg1, void* data) {
+ Gst.PadLinkReturn ret = decodebin.link(converter.get_static_pad("sink"));
+ if (Gst.PadLinkReturn.OK != ret) {
+ //stdout.printf("link failed: %s %s\n", this.get_name(), ret.to_string());
+ //stdout.flush();
+ }
+ return true;
+ }
+
+ private void drained(Gst.Pad decodebin, void* data) {
+ }
+
+ public new Gst.PadTemplate get_pad_template(string name) {
+ switch (name) {
+ case "src":
+ return this.volume.get_pad_template("src");
+ case "sink":
+ return this.decoder.get_pad_template("sink");
+ default:
+ return this.get_pad_template(name);
+ }
+ }
+
+ public void play() {
+ this.set_state(Gst.State.PLAYING);
+ }
+
+ public void pause() {
+ this.set_state(Gst.State.PAUSED);
+ }
+
+ public void stop() {
+ this.set_state(Gst.State.READY);
+ }
+
+ public void set_uri(string uri) {
+ this.set_state(Gst.State.NULL);
+ decoder.set_property("uri", uri);
+ }
+ public string get_uri() {
+ GLib.Value ret = 0.0;
+ decoder.get_property("uri", ref ret);
+ return ret.get_string();
+ }
+
+ public void set_volume(double val)
+ requires (val >= 0.0 && val <= 10.0) {
+ volume.set_property("volume", val);
+ }
+ public double get_volume() {
+ GLib.Value ret = 0.0;
+ volume.get_property("volume", ref ret);
+ return ret.get_double();
+ }
+
+ public void set_panorama(double val)
+ requires (val >= -1 && val <= 1) {
+ panorama.set_property("panorama", val);
+ }
+ public double get_panorama() {
+ GLib.Value ret = 0.0;
+ panorama.get_property("panorama", ref ret);
+ return ret.get_double();
+ }
+
+ public void set_eq(int band, double val)
+ requires (band > -1 && band < 10)
+ requires (val >= -24 && val <= 12) {
+ equalizer.set_property("band" + band.to_string(), val);
+ }
+ public double get_eq(int band) {
+ GLib.Value ret = 0.0;
+ equalizer.get_property("band" + band.to_string(), ref ret);
+ return ret.get_double();
+ }
+
+ public void set_echo_delay(uint64 val) {
+ echo.set_property("delay", val);
+ }
+ public uint64 get_echo_delay() {
+ GLib.Value ret = 0.0;
+ echo.get_property("delay", ref ret);
+ return ret.get_uint64();
+ }
+
+ public void set_echo_max_delay(uint64 val) {
+ echo.set_property("max-delay", val);
+ }
+ public uint64 get_echo_max_delay() {
+ GLib.Value ret = 0.0;
+ echo.get_property("max-delay", ref ret);
+ return ret.get_uint64();
+ }
+
+ public void set_echo_feedback(double val) {
+ echo.set_property("feedback", val);
+ }
+ public double get_echo_feedback() {
+ GLib.Value ret = 0.0;
+ echo.get_property("feedback", ref ret);
+ return ret.get_double();
+ }
+
+ public void set_echo_intensity(double val) {
+ echo.set_property("intensity", val);
+ }
+ public double get_echo_intensity() {
+ GLib.Value ret = 0.0;
+ echo.get_property("intensity", ref ret);
+ return ret.get_double();
+ }
+
+ public void set_echo_active(bool val) {
+ if (val) {}
+ else {
+ set_echo_delay(0);
+ set_echo_feedback(0);
+ set_echo_intensity(0);
+ }
+ }
+ public bool get_echo_active() {
+ return true;
+ }
+
+ public void set_dynamics_mode(string val) {
+ dynamics.set_property("mode", val);
+ }
+ public string get_dynamics_mode() {
+ GLib.Value ret = 0.0;
+ dynamics.get_property("mode", ref ret);
+ return ret.get_string();
+ }
+
+ public void set_dynamics_characteristics(string val) {
+ dynamics.set_property("characteristics", val);
+ }
+ public string get_dynamics_characteristics() {
+ GLib.Value ret = 0.0;
+ dynamics.get_property("characteristics", ref ret);
+ return ret.get_string();
+ }
+
+ public void set_dynamics_threshold(double val) {
+ dynamics.set_property("threshold", val);
+ }
+ public double get_dynamics_threshold() {
+ GLib.Value ret = 0.0;
+ dynamics.get_property("threshold", ref ret);
+ return ret.get_double();
+ }
+
+ public void set_dynamics_ratio(double val) {
+ dynamics.set_property("ratio", val);
+ }
+ public double get_dynamics_ratio() {
+ GLib.Value ret = 0.0;
+ dynamics.get_property("ratio", ref ret);
+ return ret.get_double();
+ }
+
+ public void set_dynamics_active(bool val) {
+ if (val) {}
+ else {
+ set_dynamics_mode("compressor");
+ set_dynamics_characteristics("soft-knee");
+ set_dynamics_ratio(1);
+ set_dynamics_threshold(0);
+ }
+ }
+ public bool get_dynamics_active() {
+ return true;
+ }
+
+}
+
+}
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projects / demorecorder / blobdiff